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Τρίτη 25 Δεκεμβρίου 2018

Implication of Fusobacterium necrophorum in recurrence of peritonsillar abscess

Objective

Peritonsillar abscess (PTA) is a common infectious complication of pharyngeal infection managed by otolaryngologists and emergency room physicians. Streptococcus and Fusobacterium (e.g., Fusobacterium necrophorum, FN) species are commonly isolated pathogens. The aim of this study was to determine the implication of culture results on abscess recurrence following drainage.

Methods

Single‐institution retrospective review of patients treated at the University of Michigan between 2000 and 2017. Demographic and clinical outcome data were analyzed, including treatment details, culture data, and recurrence.

Results

One hundred fifty‐six of the 990 patients in our study developed recurrence of their abscess (16%). The age ranges most susceptible to recurrence included adolescent (22.9%) and young adult groups (17.1%). Recurrent patients were more likely to have experienced acute progression of symptoms (79% vs. 71%, P = 0.03), trismus (67% vs. 55%, P = 0.006), voice changes (65% vs. 57%, P = 0.04), and dysphagia (72% vs. 61%, P = 0.01) compared to nonrecurrent patients. They were also more likely to have clinical lymphadenopathy noted on initial examination (67% vs. 56%, P = 0.009). Culture data was sent for 852 patients (86%). The presence of FN was significantly more prevalent in the recurrent group (P < 0.0001).

Conclusion

There is a high observed prevalence of FN species within PTA aspirates in the recurrent PTA population. PTA aspirate should be sent for anaerobic growth to screen for Fusobacterium species. In addition, follow‐up and lower threshold for subsequent tonsillectomy should be considered in this at‐risk group.

Level of Evidence

3. Laryngoscope, 2018



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